<script setup>
import {ref , getCurrentInstance , onMounted, reactive,nextTick} from "vue";
import {ElMessage,ElMessageBox} from "element-plus";
const handleClick = () => {
  console.log('click')
}
const {proxy} = getCurrentInstance();

const tableData = ref([])
const list = ref([])
const tableLabel = reactive([
  {
    prop: "name",
    label: "姓名",
  },
  {
    prop: "age",
    label: "年龄",
  },
  {
    prop: "sexLabel",
    label: "性别",
  },
  {
    prop: "birth",
    label: "出生日期",
    width: 200,
  },
  {
    prop: "addr",
    label: "地址",
    width: 400,
  },
])
const formInline = reactive({
  keyWord:''
})
const config =reactive({
  name:"",
  total:0,
  page:1
})
const getUserData = async ()=>{
   let data = await proxy.$api.getUserData(config);
  tableData.value =data.list.map(item=>({
    ...item,
    sexLabel : item.sex === '1' ? "男" : "女"
  }));
   config.total = data.count
}


const handleSearch = ()=>{
  config.name = formInline.keyWord;
  getUserData();
}
const handleChange = (page) => {
  config.page = page
  getUserData()
}
const handleCurrentChange = (page) => {
  config.page = page
  getUserData()
}
const handleDelete = (val)=>{
  ElMessageBox.confirm("确认删除吗").then(async ()=>{
     await proxy.$api.deleteUser({id:val.id});
     ElMessage({
       showClose:true,
       message:"删除成功",
       type:"success"
     })
      getUserData()
    })


}

const dialogVisible = ref(false)

//新增和编辑共用一个窗口，所以通过设置action区分
const action = ref("add")

const formUser = reactive({})
//表单校验规则
const rules = reactive({
  name: [{ required: true, message: "姓名是必填项", trigger: "blur" }],
  age: [
    { required: true, message: "年龄是必填项", trigger: "blur" },
    { type: "number", message: "年龄必须是数字" },
  ],
  sex: [{ required: true, message: "性别是必选项", trigger: "change" }],
  birth: [{ required: true, message: "出生日期是必选项" }],
  addr:[{ required: true, message: '地址是必填项' }]
})


//这个方法之前定义过
const handleAdd = () => {
  action.value="add"
  //打开对话窗
  dialogVisible.value=true
}

//对话框右上角的关闭事件
const handleClose = () => {
  //获取到表单dom，执行resetFields重置表单
  proxy.$refs["userForm"].resetFields()
  //关闭对话框
  dialogVisible.value=false
}

//对话框右下角的取消事件
const handleCancel = () => {
  proxy.$refs["userForm"].resetFields()
  dialogVisible.value=false
}
const timeFormat = (time) => {
  var time = new Date(time);
  var year = time.getFullYear();
  var month = time.getMonth() + 1;
  var date = time.getDate();
  function add(m) {
    return m < 10 ? "0" + m : m;
  }
  return year + "-" + add(month) + "-" + add(date);
}
const handleEdit =  (val) => {
  action.value="edit"
  dialogVisible.value=true

  nextTick(()=>{
    //因为在第一次显示弹窗的时候form组件没有加载出来，如果直接对formUser赋值，这个值会作为form表单的初始值
    //所以使用nextTick，赋值的操作在一个微任务中，这样就可以避免在from表单加载之前赋值

    Object.assign(formUser,{...val,sex:""+val.sex})
    //这里需要改变sex数据类型，是因为el-option的value有类型的校验
  })
}
const onSubmit = () => {
  //执行userForm表单的validate进行规则校验，传入一个回调函数，回调函数会接受到一个是否校验通过的变量
  proxy.$refs["userForm"].validate(async (valid)=>{

    //如果校验成功
    if (valid) {
      //res用于接收添加用户或者编辑用户接口的返回值
      let res=null
      //这里无论是新增或者是编辑，我们都要对这个日期进行一个格式化
      //如果不是1997-01-02这种格式，使用timeFormat方法进行格式化
      formUser.birth=/^\d{4}-\d{2}-\d{2}$/.test(formUser.birth) ? formUser.birth : timeFormat(formUser.birth)
      //如果当前的操作是新增，则调用新增接口
      if (action.value == "add") {
        res = await proxy.$api.addUser(formUser);
      }else if(action.value == "edit"){
        res = await proxy.$api.editUser(formUser)
      }
      //如果接口调用成功
      if(res){
        //关闭对话框，重置表单，重新请求用户数据
        dialogVisible.value = false;
        proxy.$refs["userForm"].resetFields()
        getUserData()
      }

      //如果校验失败
    }else {
      ElMessage({
        showClose: true,
        message: "请输入正确的内容",
        type: "error",
      })
    }

  })
}
onMounted(()=>{
  getUserData()
})
</script>

<template>
  <div class="user-header">
    <el-button class="primary" @click="handleAdd()">新增</el-button>
    <el-form :inline="true" :model="formInline">
      <el-form-item label="请输入">
        <el-input placeholder="请输入用户名" v-model="formInline.keyWord"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="handleSearch" >搜素</el-button>
      </el-form-item>
    </el-form>
  </div>
  <div class="table" >
    <el-table :data="tableData" style="width: 100%">
      <el-table-column
        v-for="item in tableLabel"
        :key="item.prop"
        :width="item.width ? item.width: 125"
        :prop="item.prop"
        :label="item.label"
      />
      <el-table-column fixed="right" label="Operations" min-width="120">
        <template #="scope">
          <el-button  type="primary" size="small" @click="handleEdit(scope.row)">
            编辑
          </el-button>
          <el-button  type="danger" @click="handleDelete(scope.row)" size="small">
            删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination background
                   class="pager"
                   layout="prev, pager, next"
                   size="small"
                   :total="config.total"
                   @current-change="handleChange"

    />
  </div>

  <el-dialog
      v-model="dialogVisible"
      :title="action == 'add' ? '新增用户' : '编辑用户'"
      width="35%"
      :before-close="handleClose"
  >
    <!--需要注意的是设置了:inline="true"，
 会对el-select的样式造成影响，我们通过给他设置一个class=select-clearn
 在css进行处理-->
    <el-form :inline="true"  :model="formUser" :rules="rules" ref="userForm">
      <el-row>
        <el-col :span="12">
          <el-form-item label="姓名" prop="name">
            <el-input v-model="formUser.name" placeholder="请输入姓名" />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄" prop="age">
            <el-input v-model.number="formUser.age" placeholder="请输入年龄" />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item class="select-clearn" label="性别" prop="sex">
            <el-select  v-model="formUser.sex" placeholder="请选择">
              <el-option label="男" value="1" />
              <el-option label="女" value="0" />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="出生日期" prop="birth">
            <el-date-picker
                v-model="formUser.birth"
                type="date"
                placeholder="请输入"
                style="width: 100%"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-form-item
            label="地址"
            prop="addr"
        >
          <el-input v-model="formUser.addr" placeholder="请输入地址" />
        </el-form-item>
      </el-row>
      <el-row style="justify-content: flex-end">
        <el-form-item>
          <el-button type="primary" @click="handleCancel">取消</el-button>
          <el-button type="primary" @click="onSubmit">确定</el-button>
        </el-form-item>
      </el-row>
    </el-form>
  </el-dialog>
</template>

<style scoped>

.user-header{
  display:flex;
  justify-content:space-between;
}
.table{
  position:relative;
  height:520px;
  .pager{
    position:absolute;
    right:10px;
    bottom:30px;
  }
  .el-table{
    width:100%;
    height:500px;
  }
}
.select-clearn{
  display:flex;
}
</style>
